/Engine/Plugins/Runtime/GeometryCache/Source/GeometryCacheStreamer/Public/IGeometryCacheStreamer.h
Register the given Track and its associated Stream with the Streamer. The Streamer takes ownership of the Stream
void RegisterTrack ( [UGeometryCacheTrack](API\Plugins\GeometryCache\UGeometryCacheTrack) * Track, [IGeometryCacheStream](API\Plugins\GeometryCacheStreamer\IGeometryCacheStream) * Stream )